#li-1 {
    color: red;
}
.main {
    width: 100%;
    height: 3110px;
}
.main-1 {
    width: 1100px;
    /* height: 80px; */
    margin: 0 auto;
    text-align: center;
}
.main-1>h1 {
    margin: 40px;
    font-size: 34px;
}
.main-1>span {
    display: inline-block;
    padding: 0px 40px 10px 40px;
    cursor: pointer;
}
.main-1>span:nth-of-type(1){
    border-bottom: 4px solid red;
}

.main-2 {
    width: 1100px;  
    margin: 0 auto;
    padding-top: 40px;
    position: relative;
}
.main-2-box {
    width: 70%;
    float: left;
   
}
.div1 {
    width: 100%;
    position: relative;
}
.div1>img {
    width: 100%;
    border-radius: 10px;
}
.div11 {
    background: rgba(245, 248, 231, .8);
    position: absolute;
    bottom: 0px;
    left: 0;
    width: 100%;
    border-radius: 0 0 10px 10px;
}
.div11>h4 {
    margin: 20px 0;
    font-weight: initial;
    padding-left: 20px;
}
.div111 {
    margin: 20px 0;
}
.div111>span:nth-of-type(1) {
    padding-left: 20px;
}
.div111>span:nth-of-type(2) {
    float: right;
    padding-right: 20px;
}
.sp-1 {
    color: red;
}
.div2 {
    border: 1px solid #c3c3c3;
    border-radius: 10px;
    text-align: center;
    padding: 20px 0;
    margin: 20px 0;
    color: #999;   
}
.div3 {
    text-align: center;
    color: red;
    margin: 40px 0;
}
.zuixin {
    /* display: none; */
}
.zuire {
    position: absolute;
    top: 40px;
    left: 0;
    display: none;
}

.main-3-right {
    width: 28%;
    float: right;
}
.main-3-right>h4 {
    font-weight: initial;
    padding-left: 20px;
    border-left: 4px solid red;
    margin-top: 10px;
}
.main-3-right>h1 {
    color: red;
    margin-top: 10px;
}
.main-3-right>button {
    width: 80%;
    border: none;
    color: white;
    background-color: #FD5341;
    border-radius: 5px;
    padding: 10px 0;
    margin-top: 10px;
}
.main-3-right>h6 {
    width: 80%;
    padding: 10px 0;
    text-align: center;
    font-weight: initial;
}
.main-3-right>img:nth-of-type(1) {
    margin-top: 20px;
    width: 80%;
}
.main-3-right>p {
    font-size: 12px;
    color: #c3c3c3;
    width: 80%;
}
.main-3-right>h5 {
    margin: 10px 0;
}
#h4-1 {
    margin-top: 60px;
    margin-bottom: 20px;
}
.guanzhu {
    width: 80%;
}
.guanzhu>img {
    width: 49%;
}
.guanzhu>span {
        display: inline-block;
        width: 50%;
        text-align: center;
        float: right;
        padding: 40px 0;
        background-color: #c3c3c3;
        border-radius: 0 10px 10px 0;
}